public static State saveFileByInputStream(InputStream is, String path) {
State state = null;
File tmpFile = getTmpFile();
byte[] dataBuf = new byte[2048];
BufferedInputStream bis = new BufferedInputStream(is, 8192);
try {
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(tmpFile), 8192);
int count = 0;
while ((count = bis.read(dataBuf)) != -1) {
bos.write(dataBuf, 0, count);
}
bos.flush();
bos.close();
state = saveTmpFile(tmpFile, path);
if (!state.isSuccess()) {
tmpFile.delete();
}
return state;
} catch (IOException localIOException) {
log.error(localIOException);
}
return new BaseState(false, 4);
}
/**
* 保存临时文件到指定目录
*
* @author adli 2015年7月19日 下午6:00:33
* @param tmpFile
* @param path
* @return
*/
private static State saveTmpFile(File tmpFile, String path) {
State state = null;
File targetFile = new File(path);
if (targetFile.canWrite()) return new BaseState(false, 2);
try {
FileUtils.moveFile(tmpFile, targetFile);
} catch (IOException e) {
return new BaseState(false, 4);
}
state = new BaseState(true);
state.putInfo("size", targetFile.length());
state.putInfo("title", targetFile.getName());
return state;
}
/**
* 将字节数组作为二进制文件保存到指定文件中
*
* @author adli 2015年7月19日 下午6:07:29
* @param data
* @param path
* @return
*/
public static State saveBinaryFile(byte[] data, String path) {
File file = new File(path);
State state = valid(file);
if (!state.isSuccess()) {
return state;
}
try {
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
bos.write(data);
bos.flush();
bos.close();
} catch (IOException ioe) {
log.error(ioe);
return new BaseState(false, 4);
}
state = new BaseState(true, file.getAbsolutePath());
state.putInfo("size", data.length);
state.putInfo("title", file.getName());
return state;
}